(;GM[1]FF[4]SZ[19]
GN[Black's throw-in is atari; black wins]
PC[http://senseis.xmp.net/?BQM578/Attempt]AP[GoWiki:2009]
DT[2013-04-18]
C[Diagram from http://senseis.xmp.net/?BQM578/Attempt

Black's throw-in is atari; black wins]
PL[B]

AB[ga][gb][ec][fc][gc][ad][bd][ed][be][ce][de]
AW[da][ea][fa][ab][bb][eb][fb][ac][bc][cc][dc]

;B[ca]C[B1]MN[1]

;
)
